Home / 1,092,166,287.10-1,638,249,430.65-724,834,267.90

Finding the Fourth Proportional to 1,092,166,287.10, 1,638,249,430.65 and 724,834,267.90

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Solution

The fourth proportional to 1,092,166,287.10, 1,638,249,430.65 and 724,834,267.90 is: 1,087,251,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,166,287.10 : 1,638,249,430.65 = 724,834,267.90 : x
  2. Step 2: Convert to fraction form
    1,092,166,287.10/1,638,249,430.65 = 724,834,267.90/x
  3. Step 3: Cross multiply
    1,092,166,287.10x = 1,638,249,430.65 × 724,834,267.90
  4. Step 4: Simplify right side
    1,092,166,287.10x = 1,187,459,326,702,784,512
  5. Step 5: Solve for x
    x = 1,187,459,326,702,784,512/1,092,166,287.10
  6. Step 6: Final answer
    x = 1,087,251,401.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.